the temperatures not too bad. 46 in concord. 50 in oakland. 47 in san francisco. 50s as we head toward the afternoon. much cooler around the bay area and a chance for rain and tuesday into wednesday morning. staying unsettled after that. >> announcer: this national weather report sponsored by aarp. real possibilities. >>> people all over the world are looking up after a series of close encounters with meteors and asteroids. we'll find out this morning how scientists keep track of these space rocks before they get this close. >>> plus danica patrick makes history at daytona, becoming the fastest qualifier for the great american race. >> there's a lot of things and people that go into getting a full position at the daytona 500. i'm a small part. >> it's a first forwomen and we'll show you why she has nascar fans talking off >> announcer: this portion of "cbs sponsored by kraft cheese. make something amazing. has meaning ♪ ♪ i woke up to a light bulb on ♪ ♪ every little thing is possible now ♪ [ female announcer ] we always make our kraft singles with milk, and no artificial fla